Statistic Alton Iowa National
Population 1,583 3,258,878 336,919,644
Population density (sq mi) 833 58 91
Median age 29.6 38.0 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 79% 60% 55%
Families w/ Kids under 18 33% 44% 43%
Speak English 94% 92% 79%
Speak Spanish 5% 4% 13%
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Overview of Alton Demographics

Understanding the demographics of Alton is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The Alton population is 1,583, with a population density of 833 people per square mile, diverging from the national average of 91. The median age is 29.6, and 79% of individuals aged 15 or older are married, while 33% have children under 18. As far as income equality in Alton, 6% of households have a median income below $25,000, whereas 24% report an income exceeding $150,000, indicating a varied economic landscape within the area.

Alton Racial Demographics & Ethnicity

The Alton racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Alton, the racial breakdown reveals 94.3% White, 1% Black or African American, 1.2% Asian, 0% American Indian and 0% Native Hawaiian, with 7% of the population identifying as Hispanic or Latino. Of all households, 94.3% reported speaking English only, while 4.8% reported speaking Spanish only. Moreover, 3.6% of residents were classified as foreign-born.

Alton Population Density

Areas like Alton that have a higher than average population density tend to support environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Compact urban development encourages energy-efficient buildings, walking, cycling and the use of public transit, promoting sustainable lifestyles and reducing environmental impact. Densely populated areas also tend to have more vibrant social and cultural scenes, with a diverse population contributing to a wide array of cultural events, festivals and community activities. This diversity fosters creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Alton population density is higher than average and comes in at 833 people per square mile (compared to the nationwide average of 91), putting it in a position to take advantage of all the benefits of a densely populated area.

Why are Demographics Important?

Understanding Populations: Analyzing and interpreting the Alton demographic data provides us with valuable insights into the characteristics and composition of populations, encompassing age, gender, race, ethnicity, income, education and other socio-economic variables. This understanding is crucial for addressing the diverse needs, preferences and challenges encountered by various demographic groups within communities. Demographics play a crucial role in understanding populations, informing decision-making processes, and advancing equity, inclusion, and overall well-being for all individuals and communities. The Alton population and demographic data serves as a foundation for addressing social, economic and environmental challenges, while also nurturing the well-being and resilience of societies.

Education Allocation: Alton demographics can play a pivotal role in guiding education planning, offering insights into student demographics, school enrollment patterns, and educational requirements. This data aids schools and policymakers in resource allocation and the development of effective educational programs. It serves as a critical tool for identifying disparities in educational access and outcomes among diverse demographic groups, such as racial and ethnic minorities, socio-economic status, and students with disabilities. Through the disaggregation of data by demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to enhance access, support, and outcomes for marginalized students. Ultimately, Alton demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.

Social Cohesion: Reporting and analyzing demographics can play a crucial role in fostering social cohesion and understanding among diverse communities. By recognizing and appreciating differences in Alton demographics, societies can promote inclusivity, diversity and social harmony, while addressing social disparities and promoting equal opportunities for all individuals. Racial demographics reflect the diversity of a population and contribute to fostering inclusive and welcoming communities. Embracing diversity strengthens social cohesion, promotes cultural understanding and enriches the fabric of society by celebrating the contributions of individuals from different racial and ethnic backgrounds.

Demographics Quick Facts

  • The population density in Alton is 1327% higher than Iowa
  • The median age in Alton is 22% lower than Iowa
  • In Alton 94.33% of the population is White
  • In Alton 0.98% of the population is Black
  • In Alton 1.17% of the population is Asian

Compare Alton, IA Demographics

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      Alton racial demographics

      Race Alton Iowa National
      White 94.33% 90.90% 73.35%
      Black 0.98% 3.32% 12.63%
      Asian 1.17% 2.14% 5.22%
      American Indian 0.00% 0.32% 0.82%
      Native Hawaiian 0.00% 0.08% 0.18%
      Mixed race 3.52% 1.97% 3.06%
      Other race 0.00% 1.27% 4.75%
      In Alton, 7.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Alton age breakdown

      Marital status

      Age of children in married couples

      Source: The Alton, IA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.